docs: def checkOutputPath(self, output_path):
          """
          Create or clean up output path
          """
          if not output_path:
              # output_path = self.output_path_DEFAULT
              output_path = os.path.join(self.output_path_DEFAULT,
                                         slugify(unicode(self.title)))
          if os.path.exists(output_path):
              shutil.rmtree(output_path)
          os.makedirs(output_path)
          return output_path